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  <div class="section" id="module-xmlrpc.server">
<span id="xmlrpc-server-basic-xml-rpc-servers"></span><h1><a class="reference internal" href="#module-xmlrpc.server" title="xmlrpc.server: Basic XML-RPC server implementations."><code class="xref py py-mod docutils literal notranslate"><span class="pre">xmlrpc.server</span></code></a> --- Basic XML-RPC servers<a class="headerlink" href="#module-xmlrpc.server" title="永久链接至标题">¶</a></h1>
<p><strong>Source code:</strong> <a class="reference external" href="https://github.com/python/cpython/tree/3.7/Lib/xmlrpc/server.py">Lib/xmlrpc/server.py</a></p>
<hr class="docutils" />
<p>The <a class="reference internal" href="#module-xmlrpc.server" title="xmlrpc.server: Basic XML-RPC server implementations."><code class="xref py py-mod docutils literal notranslate"><span class="pre">xmlrpc.server</span></code></a> module provides a basic server framework for XML-RPC
servers written in Python.  Servers can either be free standing, using
<a class="reference internal" href="#xmlrpc.server.SimpleXMLRPCServer" title="xmlrpc.server.SimpleXMLRPCServer"><code class="xref py py-class docutils literal notranslate"><span class="pre">SimpleXMLRPCServer</span></code></a>, or embedded in a CGI environment, using
<a class="reference internal" href="#xmlrpc.server.CGIXMLRPCRequestHandler" title="xmlrpc.server.CGIXMLRPCRequestHandler"><code class="xref py py-class docutils literal notranslate"><span class="pre">CGIXMLRPCRequestHandler</span></code></a>.</p>
<div class="admonition warning">
<p class="admonition-title">警告</p>
<p>The <a class="reference internal" href="#module-xmlrpc.server" title="xmlrpc.server: Basic XML-RPC server implementations."><code class="xref py py-mod docutils literal notranslate"><span class="pre">xmlrpc.server</span></code></a> module is not secure against maliciously
constructed data.  If you need to parse untrusted or unauthenticated data see
<a class="reference internal" href="xml.html#xml-vulnerabilities"><span class="std std-ref">XML 漏洞</span></a>.</p>
</div>
<dl class="class">
<dt id="xmlrpc.server.SimpleXMLRPCServer">
<em class="property">class </em><code class="sig-prename descclassname">xmlrpc.server.</code><code class="sig-name descname">SimpleXMLRPCServer</code><span class="sig-paren">(</span><em class="sig-param">addr</em>, <em class="sig-param">requestHandler=SimpleXMLRPCRequestHandler</em>, <em class="sig-param">logRequests=True</em>, <em class="sig-param">allow_none=False</em>, <em class="sig-param">encoding=None</em>, <em class="sig-param">bind_and_activate=True</em>, <em class="sig-param">use_builtin_types=False</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.SimpleXMLRPCServer" title="永久链接至目标">¶</a></dt>
<dd><p>Create a new server instance.  This class provides methods for registration of
functions that can be called by the XML-RPC protocol.  The <em>requestHandler</em>
parameter should be a factory for request handler instances; it defaults to
<a class="reference internal" href="#xmlrpc.server.SimpleXMLRPCRequestHandler" title="xmlrpc.server.SimpleXMLRPCRequestHandler"><code class="xref py py-class docutils literal notranslate"><span class="pre">SimpleXMLRPCRequestHandler</span></code></a>.  The <em>addr</em> and <em>requestHandler</em> parameters
are passed to the <a class="reference internal" href="socketserver.html#socketserver.TCPServer" title="socketserver.TCPServer"><code class="xref py py-class docutils literal notranslate"><span class="pre">socketserver.TCPServer</span></code></a> constructor.  If <em>logRequests</em>
is true (the default), requests will be logged; setting this parameter to false
will turn off logging.   The <em>allow_none</em> and <em>encoding</em> parameters are passed
on to <a class="reference internal" href="xmlrpc.client.html#module-xmlrpc.client" title="xmlrpc.client: XML-RPC client access."><code class="xref py py-mod docutils literal notranslate"><span class="pre">xmlrpc.client</span></code></a> and control the XML-RPC responses that will be returned
from the server. The <em>bind_and_activate</em> parameter controls whether
<code class="xref py py-meth docutils literal notranslate"><span class="pre">server_bind()</span></code> and <code class="xref py py-meth docutils literal notranslate"><span class="pre">server_activate()</span></code> are called immediately by the
constructor; it defaults to true. Setting it to false allows code to manipulate
the <em>allow_reuse_address</em> class variable before the address is bound.
The <em>use_builtin_types</em> parameter is passed to the
<a class="reference internal" href="xmlrpc.client.html#xmlrpc.client.loads" title="xmlrpc.client.loads"><code class="xref py py-func docutils literal notranslate"><span class="pre">loads()</span></code></a> function and controls which types are processed
when date/times values or binary data are received; it defaults to false.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">在 3.3 版更改: </span>The <em>use_builtin_types</em> flag was added.</p>
</div>
</dd></dl>

<dl class="class">
<dt id="xmlrpc.server.CGIXMLRPCRequestHandler">
<em class="property">class </em><code class="sig-prename descclassname">xmlrpc.server.</code><code class="sig-name descname">CGIXMLRPCRequestHandler</code><span class="sig-paren">(</span><em class="sig-param">allow_none=False</em>, <em class="sig-param">encoding=None</em>, <em class="sig-param">use_builtin_types=False</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.CGIXMLRPCRequestHandler" title="永久链接至目标">¶</a></dt>
<dd><p>Create a new instance to handle XML-RPC requests in a CGI environment.  The
<em>allow_none</em> and <em>encoding</em> parameters are passed on to <a class="reference internal" href="xmlrpc.client.html#module-xmlrpc.client" title="xmlrpc.client: XML-RPC client access."><code class="xref py py-mod docutils literal notranslate"><span class="pre">xmlrpc.client</span></code></a>
and control the XML-RPC responses that will be returned from the server.
The <em>use_builtin_types</em> parameter is passed to the
<a class="reference internal" href="xmlrpc.client.html#xmlrpc.client.loads" title="xmlrpc.client.loads"><code class="xref py py-func docutils literal notranslate"><span class="pre">loads()</span></code></a> function and controls which types are processed
when date/times values or binary data are received; it defaults to false.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">在 3.3 版更改: </span>The <em>use_builtin_types</em> flag was added.</p>
</div>
</dd></dl>

<dl class="class">
<dt id="xmlrpc.server.SimpleXMLRPCRequestHandler">
<em class="property">class </em><code class="sig-prename descclassname">xmlrpc.server.</code><code class="sig-name descname">SimpleXMLRPCRequestHandler</code><a class="headerlink" href="#xmlrpc.server.SimpleXMLRPCRequestHandler" title="永久链接至目标">¶</a></dt>
<dd><p>Create a new request handler instance.  This request handler supports <code class="docutils literal notranslate"><span class="pre">POST</span></code>
requests and modifies logging so that the <em>logRequests</em> parameter to the
<a class="reference internal" href="#xmlrpc.server.SimpleXMLRPCServer" title="xmlrpc.server.SimpleXMLRPCServer"><code class="xref py py-class docutils literal notranslate"><span class="pre">SimpleXMLRPCServer</span></code></a> constructor parameter is honored.</p>
</dd></dl>

<div class="section" id="simplexmlrpcserver-objects">
<span id="simple-xmlrpc-servers"></span><h2>SimpleXMLRPCServer Objects<a class="headerlink" href="#simplexmlrpcserver-objects" title="永久链接至标题">¶</a></h2>
<p>The <a class="reference internal" href="#xmlrpc.server.SimpleXMLRPCServer" title="xmlrpc.server.SimpleXMLRPCServer"><code class="xref py py-class docutils literal notranslate"><span class="pre">SimpleXMLRPCServer</span></code></a> class is based on
<a class="reference internal" href="socketserver.html#socketserver.TCPServer" title="socketserver.TCPServer"><code class="xref py py-class docutils literal notranslate"><span class="pre">socketserver.TCPServer</span></code></a> and provides a means of creating simple, stand
alone XML-RPC servers.</p>
<dl class="method">
<dt id="xmlrpc.server.SimpleXMLRPCServer.register_function">
<code class="sig-prename descclassname">SimpleXMLRPCServer.</code><code class="sig-name descname">register_function</code><span class="sig-paren">(</span><em class="sig-param">function=None</em>, <em class="sig-param">name=None</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.SimpleXMLRPCServer.register_function" title="永久链接至目标">¶</a></dt>
<dd><p>Register a function that can respond to XML-RPC requests.  If <em>name</em> is given,
it will be the method name associated with <em>function</em>, otherwise
<code class="docutils literal notranslate"><span class="pre">function.__name__</span></code> will be used.  <em>name</em> is a string, and may contain
characters not legal in Python identifiers, including the period character.</p>
<p>This method can also be used as a decorator.  When used as a decorator,
<em>name</em> can only be given as a keyword argument to register <em>function</em> under
<em>name</em>.  If no <em>name</em> is given, <code class="docutils literal notranslate"><span class="pre">function.__name__</span></code> will be used.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">在 3.7 版更改: </span><a class="reference internal" href="#xmlrpc.server.SimpleXMLRPCServer.register_function" title="xmlrpc.server.SimpleXMLRPCServer.register_function"><code class="xref py py-meth docutils literal notranslate"><span class="pre">register_function()</span></code></a> can be used as a decorator.</p>
</div>
</dd></dl>

<dl class="method">
<dt id="xmlrpc.server.SimpleXMLRPCServer.register_instance">
<code class="sig-prename descclassname">SimpleXMLRPCServer.</code><code class="sig-name descname">register_instance</code><span class="sig-paren">(</span><em class="sig-param">instance</em>, <em class="sig-param">allow_dotted_names=False</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.SimpleXMLRPCServer.register_instance" title="永久链接至目标">¶</a></dt>
<dd><p>Register an object which is used to expose method names which have not been
registered using <a class="reference internal" href="#xmlrpc.server.SimpleXMLRPCServer.register_function" title="xmlrpc.server.SimpleXMLRPCServer.register_function"><code class="xref py py-meth docutils literal notranslate"><span class="pre">register_function()</span></code></a>.  If <em>instance</em> contains a
<code class="xref py py-meth docutils literal notranslate"><span class="pre">_dispatch()</span></code> method, it is called with the requested method name and the
parameters from the request.  Its API is <code class="docutils literal notranslate"><span class="pre">def</span> <span class="pre">_dispatch(self,</span> <span class="pre">method,</span> <span class="pre">params)</span></code>
(note that <em>params</em> does not represent a variable argument list).  If it calls
an underlying function to perform its task, that function is called as
<code class="docutils literal notranslate"><span class="pre">func(*params)</span></code>, expanding the parameter list. The return value from
<code class="xref py py-meth docutils literal notranslate"><span class="pre">_dispatch()</span></code> is returned to the client as the result.  If <em>instance</em> does
not have a <code class="xref py py-meth docutils literal notranslate"><span class="pre">_dispatch()</span></code> method, it is searched for an attribute matching
the name of the requested method.</p>
<p>If the optional <em>allow_dotted_names</em> argument is true and the instance does not
have a <code class="xref py py-meth docutils literal notranslate"><span class="pre">_dispatch()</span></code> method, then if the requested method name contains
periods, each component of the method name is searched for individually, with
the effect that a simple hierarchical search is performed.  The value found from
this search is then called with the parameters from the request, and the return
value is passed back to the client.</p>
<div class="admonition warning">
<p class="admonition-title">警告</p>
<p>Enabling the <em>allow_dotted_names</em> option allows intruders to access your
module's global variables and may allow intruders to execute arbitrary code on
your machine.  Only use this option on a secure, closed network.</p>
</div>
</dd></dl>

<dl class="method">
<dt id="xmlrpc.server.SimpleXMLRPCServer.register_introspection_functions">
<code class="sig-prename descclassname">SimpleXMLRPCServer.</code><code class="sig-name descname">register_introspection_functions</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.SimpleXMLRPCServer.register_introspection_functions" title="永久链接至目标">¶</a></dt>
<dd><p>Registers the XML-RPC introspection functions <code class="docutils literal notranslate"><span class="pre">system.listMethods</span></code>,
<code class="docutils literal notranslate"><span class="pre">system.methodHelp</span></code> and <code class="docutils literal notranslate"><span class="pre">system.methodSignature</span></code>.</p>
</dd></dl>

<dl class="method">
<dt id="xmlrpc.server.SimpleXMLRPCServer.register_multicall_functions">
<code class="sig-prename descclassname">SimpleXMLRPCServer.</code><code class="sig-name descname">register_multicall_functions</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.SimpleXMLRPCServer.register_multicall_functions" title="永久链接至目标">¶</a></dt>
<dd><p>Registers the XML-RPC multicall function system.multicall.</p>
</dd></dl>

<dl class="attribute">
<dt id="xmlrpc.server.SimpleXMLRPCRequestHandler.rpc_paths">
<code class="sig-prename descclassname">SimpleXMLRPCRequestHandler.</code><code class="sig-name descname">rpc_paths</code><a class="headerlink" href="#xmlrpc.server.SimpleXMLRPCRequestHandler.rpc_paths" title="永久链接至目标">¶</a></dt>
<dd><p>An attribute value that must be a tuple listing valid path portions of the URL
for receiving XML-RPC requests.  Requests posted to other paths will result in a
404 &quot;no such page&quot; HTTP error.  If this tuple is empty, all paths will be
considered valid. The default value is <code class="docutils literal notranslate"><span class="pre">('/',</span> <span class="pre">'/RPC2')</span></code>.</p>
</dd></dl>

<div class="section" id="simplexmlrpcserver-example">
<span id="id1"></span><h3>SimpleXMLRPCServer Example<a class="headerlink" href="#simplexmlrpcserver-example" title="永久链接至标题">¶</a></h3>
<p>Server code:</p>
<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">xmlrpc.server</span> <span class="kn">import</span> <span class="n">SimpleXMLRPCServer</span>
<span class="kn">from</span> <span class="nn">xmlrpc.server</span> <span class="kn">import</span> <span class="n">SimpleXMLRPCRequestHandler</span>

<span class="c1"># Restrict to a particular path.</span>
<span class="k">class</span> <span class="nc">RequestHandler</span><span class="p">(</span><span class="n">SimpleXMLRPCRequestHandler</span><span class="p">):</span>
    <span class="n">rpc_paths</span> <span class="o">=</span> <span class="p">(</span><span class="s1">&#39;/RPC2&#39;</span><span class="p">,)</span>

<span class="c1"># Create server</span>
<span class="k">with</span> <span class="n">SimpleXMLRPCServer</span><span class="p">((</span><span class="s1">&#39;localhost&#39;</span><span class="p">,</span> <span class="mi">8000</span><span class="p">),</span>
                        <span class="n">requestHandler</span><span class="o">=</span><span class="n">RequestHandler</span><span class="p">)</span> <span class="k">as</span> <span class="n">server</span><span class="p">:</span>
    <span class="n">server</span><span class="o">.</span><span class="n">register_introspection_functions</span><span class="p">()</span>

    <span class="c1"># Register pow() function; this will use the value of</span>
    <span class="c1"># pow.__name__ as the name, which is just &#39;pow&#39;.</span>
    <span class="n">server</span><span class="o">.</span><span class="n">register_function</span><span class="p">(</span><span class="nb">pow</span><span class="p">)</span>

    <span class="c1"># Register a function under a different name</span>
    <span class="k">def</span> <span class="nf">adder_function</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">):</span>
        <span class="k">return</span> <span class="n">x</span> <span class="o">+</span> <span class="n">y</span>
    <span class="n">server</span><span class="o">.</span><span class="n">register_function</span><span class="p">(</span><span class="n">adder_function</span><span class="p">,</span> <span class="s1">&#39;add&#39;</span><span class="p">)</span>

    <span class="c1"># Register an instance; all the methods of the instance are</span>
    <span class="c1"># published as XML-RPC methods (in this case, just &#39;mul&#39;).</span>
    <span class="k">class</span> <span class="nc">MyFuncs</span><span class="p">:</span>
        <span class="k">def</span> <span class="nf">mul</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">):</span>
            <span class="k">return</span> <span class="n">x</span> <span class="o">*</span> <span class="n">y</span>

    <span class="n">server</span><span class="o">.</span><span class="n">register_instance</span><span class="p">(</span><span class="n">MyFuncs</span><span class="p">())</span>

    <span class="c1"># Run the server&#39;s main loop</span>
    <span class="n">server</span><span class="o">.</span><span class="n">serve_forever</span><span class="p">()</span>
</pre></div>
</div>
<p>The following client code will call the methods made available by the preceding
server:</p>
<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">xmlrpc.client</span>

<span class="n">s</span> <span class="o">=</span> <span class="n">xmlrpc</span><span class="o">.</span><span class="n">client</span><span class="o">.</span><span class="n">ServerProxy</span><span class="p">(</span><span class="s1">&#39;http://localhost:8000&#39;</span><span class="p">)</span>
<span class="nb">print</span><span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">pow</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">))</span>  <span class="c1"># Returns 2**3 = 8</span>
<span class="nb">print</span><span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">))</span>  <span class="c1"># Returns 5</span>
<span class="nb">print</span><span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">mul</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span><span class="mi">2</span><span class="p">))</span>  <span class="c1"># Returns 5*2 = 10</span>

<span class="c1"># Print list of available methods</span>
<span class="nb">print</span><span class="p">(</span><span class="n">s</span><span class="o">.</span><span class="n">system</span><span class="o">.</span><span class="n">listMethods</span><span class="p">())</span>
</pre></div>
</div>
<p><code class="xref py py-meth docutils literal notranslate"><span class="pre">register_function()</span></code> can also be used as a decorator. The previous server
example can register functions in a decorator way:</p>
<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">xmlrpc.server</span> <span class="kn">import</span> <span class="n">SimpleXMLRPCServer</span>
<span class="kn">from</span> <span class="nn">xmlrpc.server</span> <span class="kn">import</span> <span class="n">SimpleXMLRPCRequestHandler</span>

<span class="k">class</span> <span class="nc">RequestHandler</span><span class="p">(</span><span class="n">SimpleXMLRPCRequestHandler</span><span class="p">):</span>
    <span class="n">rpc_paths</span> <span class="o">=</span> <span class="p">(</span><span class="s1">&#39;/RPC2&#39;</span><span class="p">,)</span>

<span class="k">with</span> <span class="n">SimpleXMLRPCServer</span><span class="p">((</span><span class="s1">&#39;localhost&#39;</span><span class="p">,</span> <span class="mi">8000</span><span class="p">),</span>
                        <span class="n">requestHandler</span><span class="o">=</span><span class="n">RequestHandler</span><span class="p">)</span> <span class="k">as</span> <span class="n">server</span><span class="p">:</span>
    <span class="n">server</span><span class="o">.</span><span class="n">register_introspection_functions</span><span class="p">()</span>

    <span class="c1"># Register pow() function; this will use the value of</span>
    <span class="c1"># pow.__name__ as the name, which is just &#39;pow&#39;.</span>
    <span class="n">server</span><span class="o">.</span><span class="n">register_function</span><span class="p">(</span><span class="nb">pow</span><span class="p">)</span>

    <span class="c1"># Register a function under a different name, using</span>
    <span class="c1"># register_function as a decorator. *name* can only be given</span>
    <span class="c1"># as a keyword argument.</span>
    <span class="nd">@server</span><span class="o">.</span><span class="n">register_function</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="s1">&#39;add&#39;</span><span class="p">)</span>
    <span class="k">def</span> <span class="nf">adder_function</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">):</span>
        <span class="k">return</span> <span class="n">x</span> <span class="o">+</span> <span class="n">y</span>

    <span class="c1"># Register a function under function.__name__.</span>
    <span class="nd">@server</span><span class="o">.</span><span class="n">register_function</span>
    <span class="k">def</span> <span class="nf">mul</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">):</span>
        <span class="k">return</span> <span class="n">x</span> <span class="o">*</span> <span class="n">y</span>

    <span class="n">server</span><span class="o">.</span><span class="n">serve_forever</span><span class="p">()</span>
</pre></div>
</div>
<p>The following example included in the <code class="file docutils literal notranslate"><span class="pre">Lib/xmlrpc/server.py</span></code> module shows
a server allowing dotted names and registering a multicall function.</p>
<div class="admonition warning">
<p class="admonition-title">警告</p>
<p>Enabling the <em>allow_dotted_names</em> option allows intruders to access your
module's global variables and may allow intruders to execute arbitrary code on
your machine.  Only use this example only within a secure, closed network.</p>
</div>
<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">datetime</span>

<span class="k">class</span> <span class="nc">ExampleService</span><span class="p">:</span>
    <span class="k">def</span> <span class="nf">getData</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
        <span class="k">return</span> <span class="s1">&#39;42&#39;</span>

    <span class="k">class</span> <span class="nc">currentTime</span><span class="p">:</span>
        <span class="nd">@staticmethod</span>
        <span class="k">def</span> <span class="nf">getCurrentTime</span><span class="p">():</span>
            <span class="k">return</span> <span class="n">datetime</span><span class="o">.</span><span class="n">datetime</span><span class="o">.</span><span class="n">now</span><span class="p">()</span>

<span class="k">with</span> <span class="n">SimpleXMLRPCServer</span><span class="p">((</span><span class="s2">&quot;localhost&quot;</span><span class="p">,</span> <span class="mi">8000</span><span class="p">))</span> <span class="k">as</span> <span class="n">server</span><span class="p">:</span>
    <span class="n">server</span><span class="o">.</span><span class="n">register_function</span><span class="p">(</span><span class="nb">pow</span><span class="p">)</span>
    <span class="n">server</span><span class="o">.</span><span class="n">register_function</span><span class="p">(</span><span class="k">lambda</span> <span class="n">x</span><span class="p">,</span><span class="n">y</span><span class="p">:</span> <span class="n">x</span><span class="o">+</span><span class="n">y</span><span class="p">,</span> <span class="s1">&#39;add&#39;</span><span class="p">)</span>
    <span class="n">server</span><span class="o">.</span><span class="n">register_instance</span><span class="p">(</span><span class="n">ExampleService</span><span class="p">(),</span> <span class="n">allow_dotted_names</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
    <span class="n">server</span><span class="o">.</span><span class="n">register_multicall_functions</span><span class="p">()</span>
    <span class="nb">print</span><span class="p">(</span><span class="s1">&#39;Serving XML-RPC on localhost port 8000&#39;</span><span class="p">)</span>
    <span class="k">try</span><span class="p">:</span>
        <span class="n">server</span><span class="o">.</span><span class="n">serve_forever</span><span class="p">()</span>
    <span class="k">except</span> <span class="ne">KeyboardInterrupt</span><span class="p">:</span>
        <span class="nb">print</span><span class="p">(</span><span class="s2">&quot;</span><span class="se">\n</span><span class="s2">Keyboard interrupt received, exiting.&quot;</span><span class="p">)</span>
        <span class="n">sys</span><span class="o">.</span><span class="n">exit</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
</pre></div>
</div>
<p>This ExampleService demo can be invoked from the command line:</p>
<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="n">python</span> <span class="o">-</span><span class="n">m</span> <span class="n">xmlrpc</span><span class="o">.</span><span class="n">server</span>
</pre></div>
</div>
<p>The client that interacts with the above server is included in
<cite>Lib/xmlrpc/client.py</cite>:</p>
<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="n">server</span> <span class="o">=</span> <span class="n">ServerProxy</span><span class="p">(</span><span class="s2">&quot;http://localhost:8000&quot;</span><span class="p">)</span>

<span class="k">try</span><span class="p">:</span>
    <span class="nb">print</span><span class="p">(</span><span class="n">server</span><span class="o">.</span><span class="n">currentTime</span><span class="o">.</span><span class="n">getCurrentTime</span><span class="p">())</span>
<span class="k">except</span> <span class="n">Error</span> <span class="k">as</span> <span class="n">v</span><span class="p">:</span>
    <span class="nb">print</span><span class="p">(</span><span class="s2">&quot;ERROR&quot;</span><span class="p">,</span> <span class="n">v</span><span class="p">)</span>

<span class="n">multi</span> <span class="o">=</span> <span class="n">MultiCall</span><span class="p">(</span><span class="n">server</span><span class="p">)</span>
<span class="n">multi</span><span class="o">.</span><span class="n">getData</span><span class="p">()</span>
<span class="n">multi</span><span class="o">.</span><span class="n">pow</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span><span class="mi">9</span><span class="p">)</span>
<span class="n">multi</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
    <span class="k">for</span> <span class="n">response</span> <span class="ow">in</span> <span class="n">multi</span><span class="p">():</span>
        <span class="nb">print</span><span class="p">(</span><span class="n">response</span><span class="p">)</span>
<span class="k">except</span> <span class="n">Error</span> <span class="k">as</span> <span class="n">v</span><span class="p">:</span>
    <span class="nb">print</span><span class="p">(</span><span class="s2">&quot;ERROR&quot;</span><span class="p">,</span> <span class="n">v</span><span class="p">)</span>
</pre></div>
</div>
<p>This client which interacts with the demo XMLRPC server can be invoked as:</p>
<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="n">python</span> <span class="o">-</span><span class="n">m</span> <span class="n">xmlrpc</span><span class="o">.</span><span class="n">client</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="cgixmlrpcrequesthandler">
<h2>CGIXMLRPCRequestHandler<a class="headerlink" href="#cgixmlrpcrequesthandler" title="永久链接至标题">¶</a></h2>
<p>The <a class="reference internal" href="#xmlrpc.server.CGIXMLRPCRequestHandler" title="xmlrpc.server.CGIXMLRPCRequestHandler"><code class="xref py py-class docutils literal notranslate"><span class="pre">CGIXMLRPCRequestHandler</span></code></a> class can be used to handle XML-RPC
requests sent to Python CGI scripts.</p>
<dl class="method">
<dt id="xmlrpc.server.CGIXMLRPCRequestHandler.register_function">
<code class="sig-prename descclassname">CGIXMLRPCRequestHandler.</code><code class="sig-name descname">register_function</code><span class="sig-paren">(</span><em class="sig-param">function=None</em>, <em class="sig-param">name=None</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.CGIXMLRPCRequestHandler.register_function" title="永久链接至目标">¶</a></dt>
<dd><p>Register a function that can respond to XML-RPC requests.  If <em>name</em> is given,
it will be the method name associated with <em>function</em>, otherwise
<code class="docutils literal notranslate"><span class="pre">function.__name__</span></code> will be used.  <em>name</em> is a string, and may contain
characters not legal in Python identifiers, including the period character.</p>
<p>This method can also be used as a decorator.  When used as a decorator,
<em>name</em> can only be given as a keyword argument to register <em>function</em> under
<em>name</em>.  If no <em>name</em> is given, <code class="docutils literal notranslate"><span class="pre">function.__name__</span></code> will be used.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">在 3.7 版更改: </span><a class="reference internal" href="#xmlrpc.server.CGIXMLRPCRequestHandler.register_function" title="xmlrpc.server.CGIXMLRPCRequestHandler.register_function"><code class="xref py py-meth docutils literal notranslate"><span class="pre">register_function()</span></code></a> can be used as a decorator.</p>
</div>
</dd></dl>

<dl class="method">
<dt id="xmlrpc.server.CGIXMLRPCRequestHandler.register_instance">
<code class="sig-prename descclassname">CGIXMLRPCRequestHandler.</code><code class="sig-name descname">register_instance</code><span class="sig-paren">(</span><em class="sig-param">instance</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.CGIXMLRPCRequestHandler.register_instance" title="永久链接至目标">¶</a></dt>
<dd><p>Register an object which is used to expose method names  which have not been
registered using <a class="reference internal" href="#xmlrpc.server.CGIXMLRPCRequestHandler.register_function" title="xmlrpc.server.CGIXMLRPCRequestHandler.register_function"><code class="xref py py-meth docutils literal notranslate"><span class="pre">register_function()</span></code></a>. If  instance contains a
<code class="xref py py-meth docutils literal notranslate"><span class="pre">_dispatch()</span></code> method, it is called with the  requested method name and the
parameters from the  request; the return value is returned to the client as the
result. If instance does not have a <code class="xref py py-meth docutils literal notranslate"><span class="pre">_dispatch()</span></code> method, it is searched
for an attribute matching the name of the requested method; if  the requested
method name contains periods, each  component of the method name is searched for
individually,  with the effect that a simple hierarchical search is performed.
The value found from this search is then called with the  parameters from the
request, and the return value is passed  back to the client.</p>
</dd></dl>

<dl class="method">
<dt id="xmlrpc.server.CGIXMLRPCRequestHandler.register_introspection_functions">
<code class="sig-prename descclassname">CGIXMLRPCRequestHandler.</code><code class="sig-name descname">register_introspection_functions</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.CGIXMLRPCRequestHandler.register_introspection_functions" title="永久链接至目标">¶</a></dt>
<dd><p>Register the XML-RPC introspection functions  <code class="docutils literal notranslate"><span class="pre">system.listMethods</span></code>,
<code class="docutils literal notranslate"><span class="pre">system.methodHelp</span></code> and  <code class="docutils literal notranslate"><span class="pre">system.methodSignature</span></code>.</p>
</dd></dl>

<dl class="method">
<dt id="xmlrpc.server.CGIXMLRPCRequestHandler.register_multicall_functions">
<code class="sig-prename descclassname">CGIXMLRPCRequestHandler.</code><code class="sig-name descname">register_multicall_functions</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.CGIXMLRPCRequestHandler.register_multicall_functions" title="永久链接至目标">¶</a></dt>
<dd><p>Register the XML-RPC multicall function <code class="docutils literal notranslate"><span class="pre">system.multicall</span></code>.</p>
</dd></dl>

<dl class="method">
<dt id="xmlrpc.server.CGIXMLRPCRequestHandler.handle_request">
<code class="sig-prename descclassname">CGIXMLRPCRequestHandler.</code><code class="sig-name descname">handle_request</code><span class="sig-paren">(</span><em class="sig-param">request_text=None</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.CGIXMLRPCRequestHandler.handle_request" title="永久链接至目标">¶</a></dt>
<dd><p>Handle an XML-RPC request. If <em>request_text</em> is given, it should be the POST
data provided by the HTTP server,  otherwise the contents of stdin will be used.</p>
</dd></dl>

<p>示例:</p>
<div class="highlight-python3 notranslate"><div class="highlight"><pre><span></span><span class="k">class</span> <span class="nc">MyFuncs</span><span class="p">:</span>
    <span class="k">def</span> <span class="nf">mul</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">):</span>
        <span class="k">return</span> <span class="n">x</span> <span class="o">*</span> <span class="n">y</span>


<span class="n">handler</span> <span class="o">=</span> <span class="n">CGIXMLRPCRequestHandler</span><span class="p">()</span>
<span class="n">handler</span><span class="o">.</span><span class="n">register_function</span><span class="p">(</span><span class="nb">pow</span><span class="p">)</span>
<span class="n">handler</span><span class="o">.</span><span class="n">register_function</span><span class="p">(</span><span class="k">lambda</span> <span class="n">x</span><span class="p">,</span><span class="n">y</span><span class="p">:</span> <span class="n">x</span><span class="o">+</span><span class="n">y</span><span class="p">,</span> <span class="s1">&#39;add&#39;</span><span class="p">)</span>
<span class="n">handler</span><span class="o">.</span><span class="n">register_introspection_functions</span><span class="p">()</span>
<span class="n">handler</span><span class="o">.</span><span class="n">register_instance</span><span class="p">(</span><span class="n">MyFuncs</span><span class="p">())</span>
<span class="n">handler</span><span class="o">.</span><span class="n">handle_request</span><span class="p">()</span>
</pre></div>
</div>
</div>
<div class="section" id="documenting-xmlrpc-server">
<h2>Documenting XMLRPC server<a class="headerlink" href="#documenting-xmlrpc-server" title="永久链接至标题">¶</a></h2>
<p>These classes extend the above classes to serve HTML documentation in response
to HTTP GET requests.  Servers can either be free standing, using
<a class="reference internal" href="#xmlrpc.server.DocXMLRPCServer" title="xmlrpc.server.DocXMLRPCServer"><code class="xref py py-class docutils literal notranslate"><span class="pre">DocXMLRPCServer</span></code></a>, or embedded in a CGI environment, using
<a class="reference internal" href="#xmlrpc.server.DocCGIXMLRPCRequestHandler" title="xmlrpc.server.DocCGIXMLRPCRequestHandler"><code class="xref py py-class docutils literal notranslate"><span class="pre">DocCGIXMLRPCRequestHandler</span></code></a>.</p>
<dl class="class">
<dt id="xmlrpc.server.DocXMLRPCServer">
<em class="property">class </em><code class="sig-prename descclassname">xmlrpc.server.</code><code class="sig-name descname">DocXMLRPCServer</code><span class="sig-paren">(</span><em class="sig-param">addr</em>, <em class="sig-param">requestHandler=DocXMLRPCRequestHandler</em>, <em class="sig-param">logRequests=True</em>, <em class="sig-param">allow_none=False</em>, <em class="sig-param">encoding=None</em>, <em class="sig-param">bind_and_activate=True</em>, <em class="sig-param">use_builtin_types=True</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.DocXMLRPCServer" title="永久链接至目标">¶</a></dt>
<dd><p>Create a new server instance. All parameters have the same meaning as for
<a class="reference internal" href="#xmlrpc.server.SimpleXMLRPCServer" title="xmlrpc.server.SimpleXMLRPCServer"><code class="xref py py-class docutils literal notranslate"><span class="pre">SimpleXMLRPCServer</span></code></a>; <em>requestHandler</em> defaults to
<a class="reference internal" href="#xmlrpc.server.DocXMLRPCRequestHandler" title="xmlrpc.server.DocXMLRPCRequestHandler"><code class="xref py py-class docutils literal notranslate"><span class="pre">DocXMLRPCRequestHandler</span></code></a>.</p>
<div class="versionchanged">
<p><span class="versionmodified changed">在 3.3 版更改: </span>The <em>use_builtin_types</em> flag was added.</p>
</div>
</dd></dl>

<dl class="class">
<dt id="xmlrpc.server.DocCGIXMLRPCRequestHandler">
<em class="property">class </em><code class="sig-prename descclassname">xmlrpc.server.</code><code class="sig-name descname">DocCGIXMLRPCRequestHandler</code><a class="headerlink" href="#xmlrpc.server.DocCGIXMLRPCRequestHandler" title="永久链接至目标">¶</a></dt>
<dd><p>Create a new instance to handle XML-RPC requests in a CGI environment.</p>
</dd></dl>

<dl class="class">
<dt id="xmlrpc.server.DocXMLRPCRequestHandler">
<em class="property">class </em><code class="sig-prename descclassname">xmlrpc.server.</code><code class="sig-name descname">DocXMLRPCRequestHandler</code><a class="headerlink" href="#xmlrpc.server.DocXMLRPCRequestHandler" title="永久链接至目标">¶</a></dt>
<dd><p>Create a new request handler instance. This request handler supports XML-RPC
POST requests, documentation GET requests, and modifies logging so that the
<em>logRequests</em> parameter to the <a class="reference internal" href="#xmlrpc.server.DocXMLRPCServer" title="xmlrpc.server.DocXMLRPCServer"><code class="xref py py-class docutils literal notranslate"><span class="pre">DocXMLRPCServer</span></code></a> constructor parameter is
honored.</p>
</dd></dl>

</div>
<div class="section" id="docxmlrpcserver-objects">
<span id="doc-xmlrpc-servers"></span><h2>DocXMLRPCServer Objects<a class="headerlink" href="#docxmlrpcserver-objects" title="永久链接至标题">¶</a></h2>
<p>The <a class="reference internal" href="#xmlrpc.server.DocXMLRPCServer" title="xmlrpc.server.DocXMLRPCServer"><code class="xref py py-class docutils literal notranslate"><span class="pre">DocXMLRPCServer</span></code></a> class is derived from <a class="reference internal" href="#xmlrpc.server.SimpleXMLRPCServer" title="xmlrpc.server.SimpleXMLRPCServer"><code class="xref py py-class docutils literal notranslate"><span class="pre">SimpleXMLRPCServer</span></code></a>
and provides a means of creating self-documenting, stand alone XML-RPC
servers. HTTP POST requests are handled as XML-RPC method calls. HTTP GET
requests are handled by generating pydoc-style HTML documentation. This allows a
server to provide its own web-based documentation.</p>
<dl class="method">
<dt id="xmlrpc.server.DocXMLRPCServer.set_server_title">
<code class="sig-prename descclassname">DocXMLRPCServer.</code><code class="sig-name descname">set_server_title</code><span class="sig-paren">(</span><em class="sig-param">server_title</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.DocXMLRPCServer.set_server_title" title="永久链接至目标">¶</a></dt>
<dd><p>Set the title used in the generated HTML documentation. This title will be used
inside the HTML &quot;title&quot; element.</p>
</dd></dl>

<dl class="method">
<dt id="xmlrpc.server.DocXMLRPCServer.set_server_name">
<code class="sig-prename descclassname">DocXMLRPCServer.</code><code class="sig-name descname">set_server_name</code><span class="sig-paren">(</span><em class="sig-param">server_name</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.DocXMLRPCServer.set_server_name" title="永久链接至目标">¶</a></dt>
<dd><p>Set the name used in the generated HTML documentation. This name will appear at
the top of the generated documentation inside a &quot;h1&quot; element.</p>
</dd></dl>

<dl class="method">
<dt id="xmlrpc.server.DocXMLRPCServer.set_server_documentation">
<code class="sig-prename descclassname">DocXMLRPCServer.</code><code class="sig-name descname">set_server_documentation</code><span class="sig-paren">(</span><em class="sig-param">server_documentation</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.DocXMLRPCServer.set_server_documentation" title="永久链接至目标">¶</a></dt>
<dd><p>Set the description used in the generated HTML documentation. This description
will appear as a paragraph, below the server name, in the documentation.</p>
</dd></dl>

</div>
<div class="section" id="doccgixmlrpcrequesthandler">
<h2>DocCGIXMLRPCRequestHandler<a class="headerlink" href="#doccgixmlrpcrequesthandler" title="永久链接至标题">¶</a></h2>
<p>The <a class="reference internal" href="#xmlrpc.server.DocCGIXMLRPCRequestHandler" title="xmlrpc.server.DocCGIXMLRPCRequestHandler"><code class="xref py py-class docutils literal notranslate"><span class="pre">DocCGIXMLRPCRequestHandler</span></code></a> class is derived from
<a class="reference internal" href="#xmlrpc.server.CGIXMLRPCRequestHandler" title="xmlrpc.server.CGIXMLRPCRequestHandler"><code class="xref py py-class docutils literal notranslate"><span class="pre">CGIXMLRPCRequestHandler</span></code></a> and provides a means of creating
self-documenting, XML-RPC CGI scripts. HTTP POST requests are handled as XML-RPC
method calls. HTTP GET requests are handled by generating pydoc-style HTML
documentation. This allows a server to provide its own web-based documentation.</p>
<dl class="method">
<dt id="xmlrpc.server.DocCGIXMLRPCRequestHandler.set_server_title">
<code class="sig-prename descclassname">DocCGIXMLRPCRequestHandler.</code><code class="sig-name descname">set_server_title</code><span class="sig-paren">(</span><em class="sig-param">server_title</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.DocCGIXMLRPCRequestHandler.set_server_title" title="永久链接至目标">¶</a></dt>
<dd><p>Set the title used in the generated HTML documentation. This title will be used
inside the HTML &quot;title&quot; element.</p>
</dd></dl>

<dl class="method">
<dt id="xmlrpc.server.DocCGIXMLRPCRequestHandler.set_server_name">
<code class="sig-prename descclassname">DocCGIXMLRPCRequestHandler.</code><code class="sig-name descname">set_server_name</code><span class="sig-paren">(</span><em class="sig-param">server_name</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.DocCGIXMLRPCRequestHandler.set_server_name" title="永久链接至目标">¶</a></dt>
<dd><p>Set the name used in the generated HTML documentation. This name will appear at
the top of the generated documentation inside a &quot;h1&quot; element.</p>
</dd></dl>

<dl class="method">
<dt id="xmlrpc.server.DocCGIXMLRPCRequestHandler.set_server_documentation">
<code class="sig-prename descclassname">DocCGIXMLRPCRequestHandler.</code><code class="sig-name descname">set_server_documentation</code><span class="sig-paren">(</span><em class="sig-param">server_documentation</em><span class="sig-paren">)</span><a class="headerlink" href="#xmlrpc.server.DocCGIXMLRPCRequestHandler.set_server_documentation" title="永久链接至目标">¶</a></dt>
<dd><p>Set the description used in the generated HTML documentation. This description
will appear as a paragraph, below the server name, in the documentation.</p>
</dd></dl>

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